Brother BAS-311G service manual Adjusting the position of the movable knife, Adjustment

7. ADJUSTMENT

7-9. Adjusting the position of the movable knife

4950Q 5232Q 5234Q

<View from side of thread trimmer cam>

Reverse position

5255Q 5233Q

1.Open the top cover and tilt back the machine head.

2.Turn the pulley (1) by hand to lower the needle bar to its lowest position, and push the thread trimmer solenoid (2) as far as it will go.

3.With the collar (3) inserted into the groove of the thread trimmer cam (4), turn the pulley (1) by hand to set the driving lever (5) to the reverse position (when the thread take-up (6) is close to its lowest position).

5235Q 5236Q

4.Loosen the bolt (7).

5.Move the thread trimming rod H (9) forward or back to adjust so that the distance from the ridge line on the right side of the needle plate to the ridge line on the movable knife (8) is 9.5 − 9.9 mm.

6.After tightening the bolt (7), check the above position once more.

BAS-311G, BAS-326G 93